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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/07/08 13:09:15 UTC

[GitHub] [arrow-rs] HaoYang670 opened a new issue, #2026: The `DecimalArrayBuilder` should use `FixedSizedBinaryBuilder`

HaoYang670 opened a new issue, #2026:
URL: https://github.com/apache/arrow-rs/issues/2026

   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   Currently, the decimal array builder use `FixedSizedListBuilder`. This is not a good solution because:
   1. `DecimalArray::from_fixed_size_list_array` is a “dangerous” function: The null buffer of the child data is dropped.
   2. More space is occupied: To build a fixed size list array, we have to create another child array data. But what we need is just the value buffer
   
   **Describe the solution you'd like**
   - [ ] add new function DecimalArray::from_fixed_size_binary_array`
   - [ ] Update the decimal builder to use `FixedSizedBinaryBuilder`
   - [ ] **Optional**, deprecate `DecimalArray::from_fixed_size_list_array`
   
   **Describe alternatives you've considered**
   A clear and concise description of any alternative solutions or features you've considered.
   
   **Additional context**
   Add any other context or screenshots about the feature request here.
   


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[GitHub] [arrow-rs] tustvold closed issue #2026: The `DecimalArrayBuilder` should use `FixedSizedBinaryBuilder`

Posted by GitBox <gi...@apache.org>.

tustvold closed issue #2026: The `DecimalArrayBuilder` should use `FixedSizedBinaryBuilder`
URL: https://github.com/apache/arrow-rs/issues/2026


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